Diaphragm pump



FIG. 1 is a perspective view of my new design of diaphragm pump;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a plane view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is a perspective view with outer casing removed thereof;

FIG. 9 is a front view with outer casing removed thereof;

FIG. 10 is a rear view with outer casing removed thereof;

FIG. 11 is a plane view with outer casing removed thereof;

FIG. 12 is a bottom view with outer casing removed thereof;

FIG. 13 is a right side view with outer casing removed thereof;

FIG. 14 is a left view with outer casing removed thereof;

FIG. 15 is a bottom view of outer casing removed thereof;

FIG. 16 is a front view of dust collecting apparatus thereof;

FIG. 17 is a bottom view of dust collecting apparatus thereof;

FIG. 18 is a right side view with dust collecting apparatus removedthereof; and,

FIG. 19 is a cross sectional view taken along the lines 19—19 of FIG. 6.

It being understood that the break lines in FIGS. 2-5 and 9-12 indicatethe continuation of the power cord uniformly along a length.

It being understood that the broken lines are for illustrative purposesonly and form no part of the claimed design.

The ornamental design for a diaphragm pump, as shown and described.